<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: Verify lightness in Oklch is always clamped to a value between 0 to 1</title>
<style>
    .ref { background-color: oklch(1 0.5 50); border: 1px solid black; width: 200px; height: 200px}
</style>

<body>
    <p>Test passes if you see a square border with a single color inside.</p>
    <div class="ref"></div>
</body>
